tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
fuse: implement nonseekable open
Let the client request nonseekable open using FOPEN_NONSEEKABLE and
call nonseekable_open() on the file if requested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
authored by
Tejun Heo
and committed by
Miklos Szeredi
a7c1b990
29d434b3
+8
-1
+2
fs/fuse/file.c
+2
fs/fuse/file.c
···
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file->f_op = &fuse_direct_io_file_operations;
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if (!(outarg->open_flags & FOPEN_KEEP_CACHE))
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invalidate_inode_pages2(inode->i_mapping);
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if (outarg->open_flags & FOPEN_NONSEEKABLE)
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nonseekable_open(inode, file);
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ff->fh = outarg->fh;
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file->private_data = fuse_file_get(ff);
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}
+6
-1
include/linux/fuse.h
+6
-1
include/linux/fuse.h
···
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* - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in
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* - add blksize field to fuse_attr
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* - add file flags field to fuse_read_in and fuse_write_in
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+
*
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* 7.10
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* - add nonseekable open flag
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*/
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#ifndef _LINUX_FUSE_H
···
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#define FUSE_KERNEL_VERSION 7
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/** Minor version number of this interface */
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-
#define FUSE_KERNEL_MINOR_VERSION 9
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#define FUSE_KERNEL_MINOR_VERSION 10
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/** The node ID of the root inode */
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#define FUSE_ROOT_ID 1
···
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*
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* FOPEN_DIRECT_IO: bypass page cache for this open file
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* FOPEN_KEEP_CACHE: don't invalidate the data cache on open
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* FOPEN_NONSEEKABLE: the file is not seekable
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*/
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#define FOPEN_DIRECT_IO (1 << 0)
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#define FOPEN_KEEP_CACHE (1 << 1)
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+
#define FOPEN_NONSEEKABLE (1 << 2)
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/**
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* INIT request/reply flags